Pantography

Or Universal Drawings, In The Comparison Of Their Natural And Arbitrary Laws, With The Nature And Importance Of Pasigraphy, As The Science Of Letters; Being Par... » 

Or Universal Drawings, In The Comparison Of Their Natural And Arbitrary Laws, With The Nature And Importance Of Pasigraphy, As The Science Of Letters; Being Particularly Adapted To The Orthoepic Accuracy Requisite In International Corresponde «